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EN-MC65120 Magnesium vs. Grade 25 Titanium

EN-MC65120 magnesium belongs to the magnesium alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
11
Fatigue Strength, MPa 80
550
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
40
Shear Strength, MPa 92
600
Tensile Strength: Ultimate (UTS), MPa 160
1000
Tensile Strength: Yield (Proof), MPa 110
940

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 590
1610
Melting Onset (Solidus), °C 520
1560
Specific Heat Capacity, J/kg-K 970
560
Thermal Conductivity, W/m-K 100
7.1
Thermal Expansion, µm/m-K 26
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Density, g/cm3 1.9
4.5
Embodied Carbon, kg CO2/kg material 25
43
Embodied Energy, MJ/kg 190
700
Embodied Water, L/kg 930
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
4220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
35
Strength to Weight: Axial, points 23
62
Strength to Weight: Bending, points 34
50
Thermal Diffusivity, mm2/s 56
2.8
Thermal Shock Resistance, points 9.8
71

Alloy Composition


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Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.010
0 to 0.4
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.010
0
Titanium (Ti), % 0
86.7 to 90.6
Unspecified Rare Earths, % 2.5 to 4.0
0
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.4